/* localStorageOperator */
function localStorageOperator() { };
localStorageOperator.set = localStorageOperator.add = function (key, value) {
    return window.localStorage.setItem(key, value);
}
localStorageOperator.get = function (key) {
    return window.localStorage.getItem(key);
}
localStorageOperator.remove = function (key) {
    return window.localStorage.removeItem(key);
}
localStorageOperator.removeAll = function () {
    window.localStorage.clear();
}